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i386/msi: Correct mask of destination ID in MSI address

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According to SDM 10.11.1, only [19:12] bits of MSI address are
Destination ID, change the mask to avoid ambiguity for VT-d spec
has used the bit 4 to indicate a remappable interrupt request.

Signed-off-by: Chao Gao <chao.gao@intel.com>
Signed-off-by: Lan Tianyu <tianyu.lan@intel.com>
Reviewed-by: Anthony PERARD <anthony.perard@citrix.com>
Reviewed-by: Peter Xu <peterx@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
This commit is contained in:
Chao Gao 2017-11-17 14:24:23 +08:00 committed by Michael S. Tsirkin
parent c11d61271b
commit 861fec459b
1 changed files with 1 additions and 1 deletions
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2
include/hw/i386/apic-msidef.h
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@ -26,6 +26,6 @@
#define MSI_ADDR_DEST_ID_SHIFT 12 #define MSI_ADDR_DEST_ID_SHIFT 12
#define MSI_ADDR_DEST_IDX_SHIFT 4 #define MSI_ADDR_DEST_IDX_SHIFT 4
#define MSI_ADDR_DEST_ID_MASK 0x00ffff0 #define MSI_ADDR_DEST_ID_MASK 0x000ff000
#endif /* HW_APIC_MSIDEF_H */ #endif /* HW_APIC_MSIDEF_H */